State what are the concentrations of all species

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What are the concentrations of all species and the pH of a buffer solution that is 0.30M NH3 and 0.3 0M NH4Br? For NH3 Kb = 1.8 X 10-5. If 20.0 ml of 0.20 M HBr is added to 100 mL of the above buffer what is the pH of the resultant solution and by how much does the pH change?

Reference no: EM13182171

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